| Campbell & Co | - | Meekatharra | Graham Truck | MK ● 13 | Meekatharra Road Board | 1927-28 |
| Campbell & Co | - | Meekatharra | Dodge | MK ● 14 | Meekatharra Road Board | 1927-28 |
| Campbell & Co | D | Meekatharra | Dodge | MK ● 5 | Meekatharra Road Board | 1922-23 |
| Campbell & Co | D. | Meekatharra | Dodge | MK ● 3 | Meekatharra Road Board | 1922-23 |
| Campbell & Co | D. | Meekatharra | Overland | MK ● 16 | Meekatharra Road Board | 1922-23 |
| Campbell & Co | D. | Meekatharra | Dodge | MK ● 43 | Meekatharra Road Board | 1922-23 |
| Campbell & Co | D. | Meekatharra | Dodge | MK ● 11 | Meekatharra Road Board | 1924-25 |
| Campbell & Co | D. | Meekatharra | Dodge | MK ● 12 | Meekatharra Road Board | 1924-25 |
| Campbell & Co | D. | Meekatharra | Dodge | MK ● 13 | Meekatharra Road Board | 1924-25 |
| Campbell & Co | D. | Meekatharra | Dodge | MK ● 14 | Meekatharra Road Board | 1924-25 |
| Campbell & Davison | - | 272 Lord Street, Perth | Dodge | 14566 | Metro Private Car | 1927-28 |
| Campbell & Grant | - | York Road, Midland Junction | Chevrolet Wagon | 6978 | Metro Private Car | 1927-28 |
| Campbell & Sons | C. E. | Albany & Gresham Roads Victoria Park | Ford Wagon | 5602 | Metro Private Car | 1924-25 |
| Campbell &Co | - | Meekatharra | Dodge | MK ● 12 | Meekatharra Road Board | 1926-27 |
| Campbell - Wilson | Dr J. A. | 218 Saint George's Terrace | Chandler | 457 | Metro Private Car | 1925-26 |
| Campbell Duff & Co | - | Billabong | Humber | MU ● 20 | Murchison Road Board | 1917-18 |
| Campbell Duff & Co | - | Billabong | B.S.A. Motorcycle | MU ● 7 | Murchison Road Board | 1917-18 |
| Campbell Duff & Co | - | Billabalong | Humber 15 H.P. | MU 20 | Murchison Road Board | 1919 |
| Campbell Duff & Co | - | Billabalong | Austin | MU 21 | Murchison Road Board | 1919 |
| Campbell Duff & Co | - | Billabalong | B.S.A. | MU 7 | Murchison Road Board | 1919 |
| Campbell Duff & Co | - | Billabalong | Sunbeam 3½ H.P. Motorcycle | MU 11 | Murchison Road Board | 1919 |
| Campbell Duff & Co | - | Billabalong | Humber 15 H.P. | MU ● 20 | Mullewa Road Board | 1922-23 |
| Campbell Duff & Co | - | Billabalong | Fiat | MU ● 21 | Mullewa Road Board | 1922-23 |
| Campbell Duff & Co | - | Billabalong | B.S.A. Motorcycle | MU ● 7 | Mullewa Road Board | 1922-23 |
| Campbell Duff & Co | - | Billabalong | Sunbeam 3½ H.P. Motorcycle | MU ● 11 | Mullewa Road Board | 1922-23 |
| Campbell Duff & Co | - | Billabalong | Humber 15 H.P. | MU ● 20 | Murchison Road Board | 1923-24 |
| Campbell Duff & Co | - | Billabalong | Fiat | MU ● 21 | Murchison Road Board | 1923-24 |
| Campbell Duff & Co | - | Billabalong | Humber | MU ● 20 | Murchison Road Board | 1924-25 |
| Campbell Duff & Co | - | Billabalong | Fiat | MU ● 21 | Murchison Road Board | 1924-25 |
| Campbell Duff & Co | - | Billabalong Station | Humber | MU ● 20 | Murchison Road Board | 1925-26 |
| Campbell Duff & Co | - | Billabalong Station | Fiat | MU ● 21 | Murchison Road Board | 1925-26 |
| Campbell Duff & Co | - | Billabalong Station | Crossley | MU ● 40 | Murchison Road Board | 1925-26 |
| Campbell Duff & Co | - | Billabalong Station | Morris Truck | MU ● 50 | Murchison Road Board | 1925-26 |
| Campbell Duff & Co | - | Billabalong Station | Fiat | MU ● 21 | Murchison Road Board | 1926-27 |
| Campbell Duff & Co | - | Billabalong Station | Crossley | MU ● 40 | Murchison Road Board | 1926-27 |
| Campbell Duff & Co | - | Billabalong Station | Morris Truck | MU ● 50 | Murchison Road Board | 1926-27 |
| Campbell Duff & Co | - | Billabong Station | Morris Truck | MU ● 13 | Murchison Road Board | 1927-28 |
| Campbell Duff & Co | - | Billabong Station | Fiat | MU ● 21 | Murchison Road Board | 1927-28 |
| Campbell Wilson | Dr. J. A. | 284 Saint George's Terrace. | Swift | 457 | Metro Private Car | 1923-24 |
| Campbell Wilson | J. A. | 164 Saint George's Terrace | Swift 15 H.P. | P 457 | Perth Municipality | 1916 |
| Campbell, Duff & Co Ltd | - | Billabalong Station | Morris Truck | MU ● 50 | Murchison Road Board | 1927-28 |
| Campbell-Wilson | Dr J. A. | 164 Saint George's Terrace | Swift 15 H.P. | P 457 | Perth Municipality | 1917-18 |
| Campbell-Wilson | Dr J. A. | 164 Saint George's Terrace | Swift | 457 | Metro Private Car | 1922-23 |
| Campbell-Wilson | Dr J. A. | 218 Saint George's Terrace, Perth | Swift | 457 | Metro Private Car | 1924-25 |
| Campbell-Wilson | Dr J. A. | 218 Saint George's Terrace | Chandler | 457 | Metro Private Car | 1926-27 |
| Campbell-Wilson | Dr J. A. | 218 Saint George's Terrace | Changler | 457 | Metro Private Car | 1927-28 |
| Campbell-Wilson | Dr. J. A. | 164 Saint George's Terrace | Swift 19 H.P. | P 457 | Perth Municipality | 1919 |
| Campbell. Duff & Co | - | Billabalong Station | Morris Truck | MU ● 13 | Murchison Road Board | 1926-27 |
| Camper | E. A. | 201 Beaufort Street, Perth | Overland | 4711 | Metro Private Car | 1926-27 |
| Campin | T. | Tinkurrin | Overland | WK ● 98 | Wickepin Road Board | 1927-28 |
